Big update.

src/ChatFilter.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#ifndef _PLAYERBOT_CHATFILTER_H
+#define _PLAYERBOT_CHATFILTER_H
+
+#include "Common.h"
+#include "PlayerbotAIAware.h"
+
+#include <vector>
+
+class PlayerbotAI;
+
+class ChatFilter : public PlayerbotAIAware
+{
+    public:
+        ChatFilter(PlayerbotAI* botAI) : PlayerbotAIAware(botAI) { }
+        virtual ~ChatFilter() { }
+
+        virtual std::string const Filter(std::string& message);
+};
+
+class CompositeChatFilter : public ChatFilter
+{
+    public:
+        CompositeChatFilter(PlayerbotAI* botAI);
+
+        virtual ~CompositeChatFilter();
+        std::string const Filter(std::string& message) override;
+
+    private:
+        std::vector<ChatFilter*> filters;
+};
+
+#endif